49127999 has 2 divisors, whose sum is σ = 49128000. Its totient is φ = 49127998.

The previous prime is 49127989. The next prime is 49128031. The reversal of 49127999 is 99972194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49127999 - 2⁴ = 49127983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49127929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24563999 + 24564000.

It is an arithmetic number, because the mean of its divisors is an integer number (24564000).

Almost surely, 2^49127999 is an apocalyptic number.

49127999 is a deficient number, since it is larger than the sum of its proper divisors (1).

49127999 is an equidigital number, since it uses as much as digits as its factorization.

49127999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 50.

The square root of 49127999 is about 7009.1368227479. The cubic root of 49127999 is about 366.2489248921.

The spelling of 49127999 in words is "forty-nine million, one hundred twenty-seven thousand, nine hundred ninety-nine".